261668784

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^2\times {\mathrm{32257}}^1$

素因数の和:32294

約数の個数: 60

約数和(自身を含む): 731998536

約数和(自身を除く): 470329752

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 104, 156, 169, 208, 312, 338, 507, 624, 676, 1014, 1352, 2028, 2704, 4056, 8112, 32257, 64514, 96771, 129028, 193542, 258056, 387084, 419341, 516112, 774168, 838682, 1258023, 1548336, 1677364, 2516046, 3354728, 5032092, 5451433, 6709456, 10064184, 10902866, 16354299, 20128368, 21805732, 32708598, 43611464, 65417196, 87222928, 130834392, 261668784]

約数ペア:

[(1, 261668784), (2, 130834392), (3, 87222928), (4, 65417196), (6, 43611464), (8, 32708598), (12, 21805732), (13, 20128368), (16, 16354299), (24, 10902866), (26, 10064184), (39, 6709456), (48, 5451433), (52, 5032092), (78, 3354728), (104, 2516046), (156, 1677364), (169, 1548336), (208, 1258023), (312, 838682), (338, 774168), (507, 516112), (624, 419341), (676, 387084), (1014, 258056), (1352, 193542), (2028, 129028), (2704, 96771), (4056, 64514), (8112, 32257)]